202001012011100 has 144 divisors (see below), whose sum is σ = 443103790542336. Its totient is φ = 79926797184000.

The previous prime is 202001012011031. The next prime is 202001012011171. The reversal of 202001012011100 is 1110210100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20732932829 + ... + 20732942571.

It is an arithmetic number, because the mean of its divisors is an integer number (3077109656544).

Almost surely, 2^{202001012011100} is an apocalyptic number.

202001012011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202001012011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221551895271168).

202001012011100 is an abundant number, since it is smaller than the sum of its proper divisors (241102778531236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202001012011100 is a wasteful number, since it uses less digits than its factorization.

202001012011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14796 (or 14789 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202001012011100 its reverse (1110210100202), we get a palindrome (203111222111302).

The spelling of 202001012011100 in words is "two hundred two trillion, one billion, twelve million, eleven thousand, one hundred".